package kr.saeildamil.androidstudty.ch19;

import kr.saeildamil.androidstudty.R;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.widget.TextView;

public class HandlerTest extends Activity {
	int mMainValue = 0;
	int mBackValue = 0;
	TextView mMainText;
	TextView mBackText;

	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.ch19_threadtest);

		mMainText = (TextView)findViewById(R.id.ch19_threadtest_mainvalue);
		mBackText = (TextView)findViewById(R.id.ch19_threadtest_backvalue);

		BackThread thread = new BackThread();
		thread.setDaemon(true);
		thread.start();
	}
	
	public void mOnClick(View v) {
		mMainValue++;
		mMainText.setText("MainValue : " + mMainValue);
	}

	Handler mHandler = new Handler() {
		public void handleMessage(Message msg) {
			if (msg.what == 0) {
				mBackText.setText("BackValue : " + mBackValue);
			}
		}
	};
	
	class BackThread extends Thread {
		public void run() {
			while (true) {
				mBackValue++;
				mHandler.sendEmptyMessage(0);
				try { Thread.sleep(1000); } catch (InterruptedException e) {;}
			}
		}
	}
}
